$OpenBSD: patch-setup_py,v 1.1 2016/04/06 17:47:59 danj Exp $

For option --single-version-externally-managed

--- setup.py.orig	Fri Apr  1 20:25:54 2016
+++ setup.py	Fri Apr  1 20:26:10 2016
@@ -1,6 +1,6 @@
 import os
 import sys
-from distutils.core import setup
+from setuptools import setup
 from distutils.extension import Extension
 
 f = open(os.path.join(os.path.dirname(__file__), 'README.rst'))
